Analysis

  • geolocation tags

    nanew-jerseynorth-americaunited-statesususa
  • user interaction
    yes
  • max time kernel
    72s
  • max time network
    73s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 17:55

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260910-whh32stcma
  • SHA256 8342fca2b6d2b2f60b4ecec880050823bed65c460d8c4b7677e0e826d726ee8b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in System32 directory 10 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 13 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4340
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\3ffd1a8108a787ff\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4400
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3832
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 45198D5A0B572E052B118CD1DA270A01 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2256
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI899D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240683578 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2760
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8ECF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240684828 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4140
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI93B2.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240686015 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3812
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4964
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4019FDB79D9C65820F8C245BD91C9174
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4284
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 5005D65BDC0C12436C7F242C9CB7B624 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4460
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:668
    • C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-m7mb4c-relay.screenconnect.com&p=443&s=e4d251c5-ef09-4a38-a67e-af6fde36c8d4&k=BgIAAACkAABSU0ExAAgAAAEAAQBF%2fURjlQkvO2eJRGMr10Cxe%2bpWHkMgzOA4kCltWemr0CKPvD%2bzRo1WqLqM%2fR2AUMnfvJKDKJ5sa8V1AgKXPgiH%2bnLX5yLJyTdhfmtjhR%2fQmz6Coi%2faegsePk2pKFu9nJ2HTyVyoNk%2bLWwWhQC8mDuAcF3Nk%2fE2ittr72V5ZE%2b5TWM42q09c2KSla4H8Gq34AVG83zeG3tZlE2DyH%2fHv0A46MR880cepcx6sLRo0A%2fmIidAOiADHkKg2ozzjrQ6zDicS73WJC3%2bZHhm0C0mZM1oftbSNDKOY4xbmzvDWcY%2f1qYGOzRRMhW%2bjsBfRzkZjSsjfh9M%2fPm0Ab%2b6ftCMo5Wu&c=io&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3284
      • C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.WindowsClient.exe" "RunRole" "9e02945a-fcee-4213-ac3d-f8b420c2c722" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2308
      • C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.WindowsClient.exe" "RunRole" "a4759716-8e0e-4035-9ffe-a827e816a938" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:712

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58d5ea.rbs

          • Path C:\Config.Msi\e58d5ea.rbs
          • Size 214KB
          • SHA256 8264ec4e94c370134d6c74495ebf272ff48c5460c17cf4939b33697a5b7694ae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 27e873d0fceefdd1a12ca77e3bbecec2ece7acdba433b47dca102c35e1c5896c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 78fa9cf69577f6990275c7c472f7114f9d0c85e660f3b9c81b085fc3cfbc8673
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 5956f9afb3ba610c38b2cfda88dd15be98783963769a12020c93ce05e749b3c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.Core.dll
          • Size 582KB
          • SHA256 4eab8752d05cd31bafd07edde7d18061cb63eea99af3132460e6dc08bb5f9e73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ec4de5e6e9c079a30a5780d79ee662e0a4c6d009f0e3f911edc560973fb17d1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 7511e679597572782241ff989c065c02f9f5a12ab37290b69a27226eda57ce75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (3ffd1a8108a787ff)\system.config
          • Size 978B
          • SHA256 be4339f0da5722c0d3f6595d1c1b8f60df56b1593dc99fa216960f68a08a4642
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 bb5cdc5b67bb111ca6f77668d4d0bf91ae0b8544b21fb0e124e978828bd55ed5
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 0feeadfd731cf59ed17ff587a23985be5a8f40505b50a912908ba7400047d230
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 a816aa660354a8c6fa6ffd5f4a38de8d747edb1bdee3e01bf6fd2a87e1b99784
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 2d4d9319b7607c0f6b48af6f927f8a272fdecab17000aa4f4ad08bf9a052d52d
          • MD5 SHA1 SHA512 TLSH

          rundll32.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rundll32.exe.log
          • Size 746B
          • SHA256 ddebb6b1094dbef9e96754a74ebd4761d857864c9bd0b5f20a97259a6d7c8fe0
          • MD5 SHA1 SHA512 TLSH

          MSI899D.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI899D.tmp
          • Size 1.1MB
          • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI899D.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI899D.tmp-\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI899D.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI899D.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8ECF.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8ECF.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 361bbc692084841e4c8d22c89ca89c711d0fe17bc8759241736531a2f28de25b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\3ffd1a8108a787ff\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 ecf897f1ca9a636846c9476de6c88eb8077bc6fe2518deed6728ae4bc19312b0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSID81C.tmp

          • Path C:\Windows\Installer\MSID81C.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          jor0gzbh.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (3ffd1a8108a787ff)\jor0gzbh.newcfg
          • Size 883B
          • SHA256 95945a377190830d0f593835405203984a514f938d64aa480e9885a1eedb1002
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (3ffd1a8108a787ff)\user.config
          • Size 520B
          • SHA256 2bc57d9f91f6cb652806e607f0cc984ad2ed5c6aecdcc6eb27fbfe22b081faa9
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (3ffd1a8108a787ff)\user.config
          • Size 683B
          • SHA256 fc7ec40adcda0c7976cc8888873a6622730d2e7a63acf5b610b1d4c346d80a15
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 bae5d7e141c77ccbf2ad19e863ec0ab5258a5a1a08ec6d37c01be4417b259a55
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {4e236fd7-a9c0-4c9d-a2b1-e6a7749ceb10}_OnDiskSnapshotProp

          • Path \??\Volume{fef0c820-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{4e236fd7-a9c0-4c9d-a2b1-e6a7749ceb10}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 31d7ca048b800063821d24269c0dfa20a2056b90f8de3956f83c85b04e77b89f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2308-228-0x0000000001650000-0x000000000166A000-memory.dmp

          memory/2308-230-0x0000000002E20000-0x0000000002E61000-memory.dmp

          memory/2308-224-0x0000000000CE0000-0x0000000000D90000-memory.dmp

          memory/2308-227-0x000000001BF10000-0x000000001C0C0000-memory.dmp

          memory/2308-229-0x000000001CED0000-0x000000001D056000-memory.dmp

          memory/2308-225-0x0000000002E90000-0x0000000002EFC000-memory.dmp

          memory/2308-226-0x000000001BCC0000-0x000000001BD56000-memory.dmp

          memory/2760-49-0x0000000004D10000-0x0000000004EC0000-memory.dmp

          memory/2760-45-0x0000000004AC0000-0x0000000004B56000-memory.dmp

          memory/2760-41-0x0000000004A10000-0x0000000004A1C000-memory.dmp

          memory/2760-37-0x00000000049E0000-0x0000000004A0E000-memory.dmp

          memory/3284-170-0x0000000003DD0000-0x0000000003E66000-memory.dmp

          memory/3284-176-0x0000000003EC0000-0x0000000003F10000-memory.dmp

          memory/3284-193-0x0000000003F80000-0x0000000003FEC000-memory.dmp

          memory/3284-194-0x0000000004270000-0x0000000004302000-memory.dmp

          memory/3284-174-0x0000000004020000-0x00000000041D0000-memory.dmp

          memory/3284-196-0x0000000003E80000-0x0000000003EC1000-memory.dmp

          memory/3284-198-0x0000000004450000-0x0000000004526000-memory.dmp

          memory/3284-164-0x0000000003C80000-0x0000000003C9A000-memory.dmp

          memory/4140-81-0x0000000002AC0000-0x0000000002AE8000-memory.dmp

          memory/4340-5-0x0000000006180000-0x00000000061A8000-memory.dmp

          memory/4340-1-0x00000000022A0000-0x00000000022A8000-memory.dmp

          memory/4340-2-0x0000000006250000-0x0000000006260000-memory.dmp

          memory/4340-3-0x0000000003BB0000-0x0000000003BBC000-memory.dmp

          memory/4340-4-0x00000000060F0000-0x0000000006186000-memory.dmp

          memory/4340-6-0x0000000006260000-0x0000000006410000-memory.dmp

          memory/4340-7-0x00000000069C0000-0x0000000006F64000-memory.dmp

          memory/4340-8-0x0000000006250000-0x0000000006260000-memory.dmp

          memory/4340-0-0x0000000006250000-0x0000000006260000-memory.dmp